package edu.gdkm.demo6.demo1;

public class Test {
    public static void main(String[] args) {
        Circular_cylinder circular_cylinder = new Circular_cylinder(2,10);
        System.out.println(circular_cylinder.superficial_area());
        System.out.println(circular_cylinder.volume());

        Circular_cylinder circular_cylinder1 = new Circular_cylinder();
        circular_cylinder1.setR(2);
        circular_cylinder1.setH(10);
        System.out.println(circular_cylinder.superficial_area());
        System.out.println(circular_cylinder.volume());

    }
}
